------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:406 at __rate_control_send_low+0x524/0x800 net/mac80211/rate.c:401, CPU#0: syz.2.6244/29242 Modules linked in: CPU: 0 UID: 0 PID: 29242 Comm: syz.2.6244 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__rate_control_send_low+0x5bb/0x800 net/mac80211/rate.c:401 Code: ff 4c 8b 7c 24 08 48 8b 44 24 38 0f b6 04 28 84 c0 0f 85 d3 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 <67> 48 0f b9 3a 4c 8b 74 24 30 e9 81 fe ff ff 44 89 f9 80 e1 07 80 RSP: 0018:ffffc90000007858 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff8f92e240 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000100 R12: ffff888032836a28 R13: 0000000000000000 R14: ffffffff8f92e240 R15: ffff88803baeb138 FS: 0000000000000000(0000) GS:ffff888125e1f000(0063) knlGS:00000000572e4440 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f2c07218 CR3: 000000005cb84000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:429 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:943 ieee80211_beacon_get_finish+0x39a/0x6c0 net/mac80211/tx.c:5362 __ieee80211_beacon_get+0xd3d/0x1880 net/mac80211/tx.c:-1 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5776 ieee80211_beacon_get include/net/mac80211.h:5669 [inline] mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2361 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x60/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:common_nsleep+0x0/0xa0 kernel/time/posix-timers.c:1349 Code: 38 c1 7c d9 49 89 fe 48 89 df e8 0b 0a 76 00 4c 89 f7 eb c9 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 41 57 41 56 41 54 53 49 89 d6 89 f5 89 fb 49 bc 00 RSP: 0018:ffffc9000c407df8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: dffffc0000000000 RDX: ffffc9000c407e40 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000c407ec0 R08: ffffc9000c407d87 R09: 1ffff92001880fb0 R10: dffffc0000000000 R11: ffffffff81b10dd0 R12: 1ffff92001880fc4 R13: ffffffff8b6d7010 R14: 0000000000000000 R15: ffff88805290e178 __do_sys_clock_nanosleep_time32 kernel/time/posix-timers.c:1426 [inline] __se_sys_clock_nanosleep_time32+0x33b/0x390 kernel/time/posix-timers.c:1403 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x1dc/0x570 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f67539 Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f754fa30 EFLAGS: 00000206 ORIG_RAX: 000000000000010b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000f754fa64 RSI: 00000000f754fa5c RDI: 00000000f754fa64 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: ff 4c 8b 7c decl 0x7c(%rbx,%rcx,4) 4: 24 08 and $0x8,%al 6: 48 8b 44 24 38 mov 0x38(%rsp),%rax b: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax f: 84 c0 test %al,%al 11: 0f 85 d3 01 00 00 jne 0x1ea 17: 41 8b 0f mov (%r15),%ecx 1a: 4c 89 f7 mov %r14,%rdi 1d: 48 8b 74 24 18 mov 0x18(%rsp),%rsi 22: 44 8b 44 24 2c mov 0x2c(%rsp),%r8d 27: 45 89 e9 mov %r13d,%r9d * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 4c 8b 74 24 30 mov 0x30(%rsp),%r14 34: e9 81 fe ff ff jmp 0xfffffeba 39: 44 89 f9 mov %r15d,%ecx 3c: 80 e1 07 and $0x7,%cl 3f: 80 .byte 0x80